1042550225 has 6 divisors (see below), whose sum is σ = 1292762310. Its totient is φ = 834040160.

The previous prime is 1042550219. The next prime is 1042550231. The reversal of 1042550225 is 5220552401.

It is an interprime number because it is at equal distance from previous prime (1042550219) and next prime (1042550231).

It can be written as a sum of positive squares in 3 ways, for example, as 99856 + 1042450369 = 316^2 + 32287^2 .

It is not a de Polignac number, because 1042550225 - 2⁶ = 1042550161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042550194 and 1042550203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20850980 + ... + 20851029.

It is an arithmetic number, because the mean of its divisors is an integer number (215460385).

Almost surely, 2^1042550225 is an apocalyptic number.

It is an amenable number.

1042550225 is a deficient number, since it is larger than the sum of its proper divisors (250212085).

1042550225 is an equidigital number, since it uses as much as digits as its factorization.

1042550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41702019 (or 41702014 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1042550225 is about 32288.5463438663. The cubic root of 1042550225 is about 1013.9868638778.

The spelling of 1042550225 in words is "one billion, forty-two million, five hundred fifty thousand, two hundred twenty-five".